Volcanoes and Earth's surface review

Multiple Choice

The map shows the location of some volcanoes on Earth. Which feature on Earth's crust is in the same location as most of these volcanoes?

• mantle

• hot spots

• ocean currents

• tectonic plate boundaries

Multiple Choice

What is the process called when volcanoes release lava and other materials from Earth's interior?

• Volcanism

• Eruption

• Magma

• Lava

Multiple Choice

What happens at convergent boundaries when an oceanic plate subducts under a continental plate?

• Volcanoes form on the ocean floor

• Volcanoes form on the continent

• No volcanic activity occurs

• Volcanoes form only on islands

Multiple Choice

Iceland and Hawaii are both found above a:

• mid-ocean ridge

• hot spot

• trench

• transform boundary

Multiple Choice

What are the main parts of a composite volcano as shown in the diagram?

• Central vent

• Crater

• Lava flow

• Magma chamber

Multiple Choice

A cinder cone volcano is made mostly from

• cooled lava

• ash (tephra and cinders)

• sedimentary rock

• the tears of my enemies

Open Ended

Describe the characteristics of quiet eruptions and their potential hazards.

Open Ended

Which of the magma types would erupt more explosively? How would knowing the type of magma a volcano produces help nearby communities prepare for eruptions?

Open Ended

What questions would you want to answer before choosing a specific site for construction on a volcanic island?

Open Ended

Which part of the Hawaiian Islands would you expect to find the most active volcanoes? What about dormant and extinct volcanoes?

Open Ended

Why are volcanoes often found along both convergent and divergent plate boundaries?

Multiple Choice

Analyze the map of the 2011 tsunami wave forecast. What do the triangles symbolize?

• Tsunami wave height

• Tsunameter buoys

• Plate boundaries

• Wave travel time

Open Ended

Describe how the motion of tectonic plates can result in a tsunami.

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident